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EnginePart report

2015 Harley-Davidson Flhtcutg Engine Problems

Complaints
3about this part
Share
50%of 6 total for the year
Median mileage
21,880miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine of the 2015 Harley-Davidson Flhtcutg, 50% of the 6 complaints for this model year. Where a mileage was given, the median is 21,880 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“First incident 2015, log in est 100 miles, mc started smoking. Dealership checked out no problems. Second incident engine lost power down to 35mph could not go higher, dealership fixed put new clutch no charge. The third time, it repeated lost power again smoke & burning inside engine area the clutch was out had to be towed. This third time the dealership refused to fix, I had only 2100 miles log and charged me $500. The general manager took me on a road test to check my shifting. His conclusion was a defected clutch problem which they fixed . But they did not refund me. …”

NHTSA complaint #10954042, filed 2017-02, 2,146 miles

“Brake light comes on and stays on while idling and riding.cooling light comes on at idle and while riding.all cooling parts have been replaced ,cooling sensor, thermostat,water pump and cap but no code is thrown”

NHTSA complaint #11123138, filed 2018-08, 21,880 miles

“The contact owns a 2015 Harley-Davidson FLHTCUTG Tri Glide Ultra Classic. The contact stated while riding 70 MPH, the check engine and coolant temperature warning lights illuminated. The contact pulled over to allow the motorcycle to cool down. The motorcycle cooled down and operated normal; however, the check engine warning light remained illuminated. The contact stated that the failure occurred twice. The motorcycle was taken to the dealer to be diagnosed. The contact stated that the water pump was replaced; however, the failure recurred. …”

NHTSA complaint #11471582, filed 2022-06, 23,605 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2018114%
2017538%
2015350%
2014120%
2013343%
2011111%
2010111%
2009120%

Other parts of the 2015 Harley-Davidson Flhtcutg

Brakes
2 complaintsOther or unknown
2 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsVehicle speed control
1 complaints

← All problems reported for the 2015 Harley-Davidson Flhtcutg

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology